Medium severity · published Sep 6, 2017
CVE-2017-14166
libarchive 3.3.2 allows remote attackers to cause a denial of service (xml_data heap-based buffer over-read and application crash) via a crafted xar archive, related to the…
6.5
CVSS
2.8%
EPSS
No
On KEV
Description
libarchive 3.3.2 allows remote attackers to cause a denial of service (xml_data heap-based buffer over-read and application crash) via a crafted xar archive, related to the mishandling of empty strings in the atol8 function in archive_read_support_format_xar.c.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.8% · higher than 86% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
LI
Libarchive · Libarchive
3.3.2 · source: NVD
UL
Ubuntu Linux · Canonical
14.04; 16.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-14166
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-14166
Patch
https://blogs.gentoo.org/ago/2017/09/06/libarchive-heap-based-buffer-overflow-in-xml_data-archive_read_support_format_xar-c/
Patch
https://github.com/libarchive/libarchive/commit/fa7438a0ff4033e4741c807394a9af6207940d71
Mailing List
https://lists.debian.org/debian-lts-announce/2018/11/msg00037.html
security.gentoo.org
https://security.gentoo.org/glsa/201908-11
Third Party Advisory
https://usn.ubuntu.com/3736-1/
Third Party Advisory
https://www.debian.org/security/2018/dsa-4360
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